Worldwide, ตวย (ตวย 
, Tuai 
) is a rare gender-neutral first name. The first name ตวย is characteristic of Thailand, where it is a rare largely feminine, but uncommonly male name, and India, where it is an extremely rare unisex name. Also, ตวย is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| ตวย | Thailand |
| Tuai | Myanmar, Indonesia, United States, Malaysia, India |